盐胁迫下粳稻品种南粳9108分蘖特性及其与群体生产力的关系

韦还和,葛佳琳,张徐彬,孟天瑶,陆钰,李心月,陶源,丁恩浩,陈英龙,戴其根

Tillering characteristics and its relationships with population productivity of japonica rice Nanjing 9108 under salinity stress

Huan-He WEI,Jia-Lin GE,Xu-Bin ZHANG,Tian-Yao MENG,Yu LU,Xin-Yue LI,Yuan TAO,En-Hao DING,Ying-Long CHEN,Qi-Gen DAI

表5 盐胁迫下水稻各叶位茎蘖对群体产量的贡献

Table 5 Contribution of stems and tillers in each leaf position of rice under salinity stress

叶位 Leaf position	对照 CK		中盐 MS		高盐 HS
叶位 Leaf position	产量 Yield (t hm^-2)	比例 Rate (%)	产量 Yield (t hm^-2)	比例 Rate (%)	产量 Yield (t hm^-2)	比例 Rate (%)
群体产量 Population productivity	9.65 a		7.35 b		4.20 c
主穗Main stem (0/0)	2.32	24.05	2.12	28.86	1.36	32.45
3/0	0.22	2.31	0.10	1.33
4/0	1.33	13.76	1.06	14.44	0.51	12.18
5/0	1.95	20.20	1.65	22.48	1.01	24.16
6/0	2.18	22.64	1.75	23.83	1.15	27.37
7/0	0.38	3.93	0.17	2.25	0.04	0.89
一次分蘖合计 Primary tillers in total	6.06	62.84	4.73	64.34	2.71	64.61
1/4	0.65	6.76	0.27	3.66	0.08	1.92
2/4	0.09	0.91	0.07	0.99
3/4	0.08	0.86
1/5	0.36	3.72	0.08	1.12	0.04	1.02
1/6	0.08	0.86	0.08	1.02
二次分蘖合计 Secondary tillers in total	1.27	13.11	0.50	6.80	0.12	2.94